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Keto Puff Pastry Trees

Melty provolone, pepperoni, and marinara stuffed inside keto puff pastry trees — a pizza-filled Christmas appetizer at 4g net carbs and 25.4g protein. Folded fathead dough holds its shape and looks impressive on any party table.
  • 4gnet carbs
  • 25.4gprotein
  • 60minutes
  • 11servings

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I use a higher mozzarella ratio than most fathead dough recipes, and that is what makes these hold their shape. Seven cups of shredded mozzarella sounds like a lot, but the extra cheese makes the dough elastic enough to fold into an accordion tree without cracking or going limp in the oven. I almost cut the provolone layer during testing because it felt like too much cheese on cheese. But it adds real structural support to the filling, not just flavor. It stayed.

Three puff pastry Christmas trees on a wooden board next to pizza sauce, cheese stars and chopped parsley.

The base is my go-to fathead dough, the same one I use for deep dish pizza. Almond flour and melted mozzarella do the work that gluten does in traditional pastry, creating something pliable enough to fold and sturdy enough to hold pepperoni, provolone, and marinara without collapsing. The edges crisp up golden while the center stays soft and cheesy. No egg wash needed either. Fathead dough browns on its own because of the mozzarella in it. Mine come out golden every time at 16-17 minutes.

I roll the dough between two sheets of parchment to about 1/8 inch thick. Thinner than that and it tears; thicker and the center stays doughy. One trick I figured out after a few batches: lay a damp paper towel under the bottom parchment so it does not slide around while you roll. Small detail, but it cuts the frustration in half. I also flip the dough sheet over partway through rolling and re-lay the top parchment to smooth out any creases.

These are a keto Christmas appetizer I bring out every December, but the shape works for any party. My kids fought over the last one on Christmas Eve, and at this point I have made them enough times that the accordion folding takes me about 30 seconds per strip. The first couple will look rough. That is normal. By strip four or five you will have it down. The trick is to keep each fold slightly narrower than the last. That taper is what creates the tree silhouette.

I set these out alongside stuffed mushrooms and jalapeno poppers for a low-carb appetizer spread that actually looks impressive on a board. Add a charcuterie board next to it with extra marinara for dipping. The marinara is always gone first. People who have never tried fathead dough do not even realize these are low-carb until I mention it.

A Christmas tree formed by keto puff pastry and filled with pizza toppings. Chopped parsley lies nearby.

Keto filling ideas I have actually tested

The dough works with pretty much any filling you can spread flat. I have tested a bunch and these are the ones I keep coming back to.

Pesto and parmesan

Spread a thin layer of basil pesto, sprinkle parmesan, and fold. The pesto caramelizes at the edges and gives you something completely different from the pizza version. I use this when I want flavors closer to my chicken pesto pizza.

Spinach artichoke

Fill them with spinach artichoke pinwheel filling. I use the same mixture I make for pinwheels. It is thicker than marinara, so the trees hold their shape even better during baking.

Ham and swiss

Layer swiss cheese and sliced ham for something more brunch-friendly. I have served these alongside breakfast pizza for a Saturday morning spread and they disappeared fast.

Cinnamon butter

For a sweet version, brush on melted butter and sprinkle sugar-free sweetener with cinnamon. These taste like a cinnamon roll in tree form. My kids request this version almost as much as the pizza one.

Christmas tree appetizer skewers on a wooden board with cheese stars around and parsley.

Storage and reheating

Make ahead

I make the dough up to 5 days ahead and store it in the fridge as a ball or rolled into sheets. It freezes well for up to 3 months too. I always chill the assembled trees in the refrigerator for about 10 minutes before baking so the folds firm up and hold their shape in the oven. If you are not baking right away, assembled trees can sit in the fridge for 2-3 days or go straight to the freezer.

Storage

Once baked, store in an airtight container in the refrigerator for up to 5 days. I separate layers with parchment to keep them from sticking together.

Reheating

Reheat in the oven at 350 for 5-7 minutes. The microwave makes the dough soft and chewy in a bad way. I learned that after ruining a perfectly good batch. The oven re-crisps the edges and the cheese remelts without turning everything soggy.

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The recipe

Keto Puff Pastry Trees

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Prep 44 min Cook 16 min Total 60 min Serves 11

Ingredients

Servings 11

Keto Pastry Dough Ingredients

Pizza Toppings Ingredients

Step by Step Instructions

  1. Melt mozzarella cheese

    Add shredded mozzarella cheese to a large bowl. Melt in the microwave at 60 second intervals, stirring in between, until completely melted.

    For this step

    • 20 oz shredded mozzarella cheese
    A hand holding a bowl of shredded mozzarella cheese.
  2. Dry ingredients

    While cheese is melting, add almond flour, baking powder and salt to a food processor. Pulse to combine.

    For this step

    • 3 cups almond flour
    • 2 teaspoons baking powder
    • 1 teaspoon salt
    A food processer with almond flour inside.
  3. Make dough

    Add melted mozzarella cheese and eggs to the food processor. Pulse until a dough ball forms and cheese is fully incorporated into the other ingredients. A food processor works best; however, an electric mixer can be used or you can knead the melted cheese and egg into the dry ingredients using your hands.

    A hand holding fathead dough over a food processor.
  4. Roll it out

    Preheat the oven to 400°F. Divide the dough into two equal sized balls. Place one ball in between two sheets of parchment paper. Flatten the dough out with the palm of your hand to form a square block. Using a rolling pin, roll the dough out into a rectangle shape sheet that is about 15 x 12 inch and 1/8 inch thick. Repeat with other dough ball.

    Keto pastry dough rolled out into a rectangle shape with a sheet of parchment paper on top.
  5. Add pizza toppings

    Starting with one sheet of dough, remove the top layer of parchment paper. Spread marinara sauce from edge to edge. Layer down provolone cheese and pepperoni slices. To the other dough sheet, remove the bottom parchment sheet. Place the dough sheet on top like a sandwich and remove the top parchment sheet. Lightly press to adhere.

    For this step

    • 1/4 cup marinara sauce
    • 12 slices provolone cheese
    • 48 slices pepperoni
    A hand layering cheese and pepperoni on dough.
  6. Cut into strips

    Using a pizza cutter or a knife, cut into 1 inch thick strips with the long end facing you.

    Slicing pastry dough into one inch strips with a pizza cutter.
  7. Fold the trees

    Working one at a time, fold strips back and forth in a zig-zag motion, making each layer slightly narrower than the last to create a tree shape. Add a skewer to the tree from the bottom through the top. Place on a parchment lined baking tray. Sprinkle Italian seasoning on top before baking.

    Dough filled pizza folded into an accordion and inserting a skewer into the shape.
  8. Bake

    Bake in a 400°F oven for about 16-17 minutes or until golden brown and dough appears cooked through.

    Baked Christmas tree appetizer on a tray.

Nutrition

Per serving: 1 tree

Calories
471
Fat
38.2g
Protein
25.4g
Total carbs
8.1g
Net carbs
4g

Nutrition is an estimate calculated from the ingredients listed. Brands vary, so check labels if you track closely.

Frequently Asked Questions

Why did my trees unravel in the oven?

I had this happen when my strips were too wide. Anything over 1 inch tends to unfold during baking. I cut mine right at 1 inch and press the folds tightly before sliding the skewer through. The skewer helps hold the shape, but tight folds and thinner strips are what really prevent unraveling.

Can I use coconut flour instead of almond flour?

I have tried coconut flour and it does not work here. Coconut flour absorbs significantly more liquid, so the keto dough turns dense and crumbly instead of pliable. You cannot fold it into the accordion shape without it cracking apart. Stick with almond flour for this one.

My dough stuck to the parchment when I tried to move it. Any tips?

I had this happen early on too. My fix: do not try to move the dough sheet after removing the parchment. I assemble everything directly on the parchment I rolled on, then transfer the whole sheet (parchment and all) to the baking tray. If the dough is gripping the paper, slide a thin offset spatula underneath to release it before lifting.

Does adding garlic powder to the dough make a difference?

Reader Beth tried this after making these four times and said it changed everything. I tested it and she is right. A teaspoon of garlic powder pulsed in with the almond flour, baking powder, and salt gives the crust actual flavor, especially at the crispy edges. I add it to every batch now.

Can I swap the provolone for another cheese?

I have tried several. Quinn switched to sharp cheddar and found it cuts through the pepperoni grease better than provolone. I tested both back to back and the cheddar version is punchier. Provolone melts smoother and gives the filling more structure though. Both work, just different vibes.

Can I freeze these after baking?

I freeze baked trees in a single layer on a sheet pan, then transfer to a freezer bag once they are solid. They keep for up to 3 months. Reheat from frozen at 350 for 8-10 minutes. The dough re-crisps well as long as you use the oven and skip the microwave.

How can I limit the cheese in this recipe?

I get it, there is cheese in the dough and cheese in the filling. To cut back, skip the provolone layer and use just sauce and pepperoni inside. The dough needs its mozzarella to stay pliable (that is what makes it fold without cracking), so I would not reduce that part. But the filling cheese is completely optional.

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Reviews

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4.6 from 17 ratings, 14 written

Made this recipe?

Replying to Rob

Your rating

Kim Johnson

Froze a batch unbaked and pulled them straight to a 400 oven two weeks later, same color, same structure. Parchment between the layers before freezing or they fuse at the edges. This is the only appetizer I actually keep stocked ahead.

Reply

Annie Lampella

Good catch on the parchment, Kim. I’ve only frozen mine after baking, so that’s great to know. Thanks!

Reply

Angela

Been reheating these at 350 for 8 min and they come out basically the same, crust crisps instead of going soggy. One thing: keep the marinara layer thin or the center gets dense.

Reply

Annie Lampella

The 350/8-minute window is exactly where I land. The marinara layer is the one that trips people most, I think because the filling looks so sparse on the flat dough before you fold it. I spread mine almost like I’m frosting a cake, just a thin pass across the surface. Push it too thick and the fathead underneath gets dense and kind of gluey in the center. Good catch on both.

Reply

Jordan

Keto year three and I’d stopped attempting pizza, not the taste but the structure. This is the first version where the dough holds a fold. Provolone and pepperoni stay put, nothing slides. Didn’t expect that to matter so much. One star off for the dough thinning step, took me two tries.

Reply

Annie Lampella

Jordan, three years and this is the one that finally held, that detail hits. I always thin it while the dough is still warm, the second it cools it tightens and tears.

Reply

Morgan

I mixed a teaspoon of garlic powder into the almond flour before adding the cheese, the mozzarella fat pulls it through the whole dough. Surface seasoning just gets the outer layer. Small change but the garlic hits every bite now, not just where the Italian seasoning landed on top.

Reply

Annie Lampella

Morgan, you and Beth both cracked this. She mentioned it after her fourth batch, and I went back into the kitchen that same day because I didn’t believe surface seasoning was actually the problem. It is. Pulse the garlic in with the dry ingredients before any cheese goes in. The fat carries it through when the mozzarella melts instead of leaving the flavor sitting on the outside. Completely different bite.

Reply

Paige

fathead that actually layers, finally

Reply

Annie Lampella

The strip width was what cracked it for me. I cut mine right at an inch and press the folds tight before sliding the skewer through.

Reply

Jasmine

Didn’t think melted mozzarella could actually behave like dough until I watched it come together in the food processor. That stretchy, almost sticky mass was not what I expected. Twenty minutes later though, I had something good enough to bring out. A couple trees went a bit thick on one end, but the layers held and the provolone pulled it together. Honestly pretty proud for a first attempt. Do you chill the dough at all, or better to roll while it’s still warm?

Reply

Annie Lampella

Jasmine, roll it while it’s still warm. Once fathead dough cools it tightens up and the folds start cracking instead of holding. I’ve found 15 seconds in the microwave brings it right back if it starts stiffening mid-roll.

Reply

Patrick

Taking these to a get-together next weekend and a few people don’t eat pork. Would Italian turkey sausage crumbles work as a pepperoni sub, or does the extra moisture mess with fathead dough?

Reply

Annie Lampella

Turkey sausage will work but the moisture thing is real. Cook it first, drain it well, then pat dry with paper towels before it goes in. Wet filling makes the dough soft at those fold points and the trees don’t hold their shape.

Reply

Patrick

Good call on the paper towels. Turkey sausage is so much wetter than pepperoni, I never would’ve thought of that.

Reply

Rob

Only brought these as backup in case nothing else at the table looked good, then watched the tray go empty before the main food even hit. Marinara, provolone, pepperoni all layered in there, and a crowd that showed up expecting chips and dip cleared the whole thing. Made one batch. Should have made two.

Reply

Annie Lampella

Two minimum. I don’t bring single batches to parties anymore.

Reply

Keisha

Made these last weekend, had trouble getting the fathead dough thin enough without tearing when I cut the trees. Is it easier to roll while it’s still warm, or does chilling help?

Reply

Annie Lampella

Roll it while it’s still warm, then let it sit 5-10 minutes before cutting. Don’t cut straight from the microwave, the dough’s too stretchy. A pizza cutter over a knife too.

Reply

Carla

Before keto I made stromboli every time we had people over. Gave that up two years ago and just stopped. Made these on a Saturday afternoon sort of testing if fathead dough could actually do what the recipe claimed, and when I pulled them off the parchment they held. Actually held, like something you’d find at a real party spread. The almond flour has this slight nutty undertone that I noticed on the first bite, but it doesn’t fight the pepperoni and provolone, it just sits quietly underneath. Used Rao’s for the marinara and kept it thin so the layers didn’t go wet inside. Two years of skipping it and I didn’t need to. That’s the part that got me.

Reply

Annie Lampella

The nutty undertone was the thing I worried about most when I was testing, and it never fought the pepperoni. Glad you have stromboli nights back, Carla!

Reply

Ashley

Had to add about 5 minutes past the suggested time to get real color on mine, but that first pull apart when the provolone stretches out makes up for babysitting the oven.

Reply

Annie Lampella

Ovens vary so much with this one. My counter oven runs about 8 minutes longer than my main oven at the same temp. The visual cue I watch for is the edges going deep gold, not just tan, and that usually means the center is set too. That provolone pull, though. I tested four or five cheese combinations before settling on provolone because nothing else does that stretch. Mozzarella alone gives you a shorter pull.

Reply

Sarah

Swapped the pepperoni for spicy Italian sausage crumbles and it completely changed the filling. Way more heat, and the provolone melts differently around sausage than it does with flat pepperoni slices. The dough held up fine, which I honestly wasn’t sure about with the extra weight. Hard to go back now.

Reply

Annie Lampella

The provolone detail tracks. Flat pepperoni gives more even contact, sausage crumbles have pockets for it to pool into. I haven’t tried that exact filling but spicy Italian with the marinara sounds right.

Reply

Connor Q.

Made these on a whim Saturday and my 8-year-old, who has been quietly suspicious of everything I make since I went keto, ate three and then asked where they came from. She thought they were from somewhere. I didn’t correct her. The fathead dough holds together better than I expected at that thickness, no tearing when you fold it, and the provolone melts into the marinara in a way that actually makes it feel like a real pastry situation.

Reply

Annie Lampella

Ha. Eight-year-old completely fooled. The fold holds when you work it warm. Let it cool even a minute and it starts cracking instead of bending.

Reply

Leah

My son picked off the provolone on the first one and then ate three more whole, which tells you more about the cheese-to-pepperoni ratio than anything I could say. The fathead dough held up better than I expected with that much filling.

Reply

Annie Lampella

Ha, three more after the dissection counts. The provolone kind of vanishes into the filling once it bakes anyway. And yeah, the dough holds more than it looks like it should.

Reply

Sonia

Never worked with fathead dough before so I was pretty nervous about the mozzarella melting situation. But once it hit the food processor with the eggs it came together way faster than expected. I did the pizza version with the provolone and pepperoni layers and they actually puffed up a little while baking, which surprised me. The almond flour gives it a faint nutty taste underneath the marinara that I wasn’t expecting but actually liked. Mine stuck to the bottom parchment when I tried to transfer them, even with the spray, so either I rolled it too thin or there’s a trick I’m missing for getting them off without tearing. Four stars because I’m pretty sure that was my fault, not the recipe’s. Trying again this weekend.

Reply

Annie Lampella

Don’t try to move the dough off the parchment. I build the whole thing right on the paper I rolled on, then transfer the full sheet (parchment and all) to the baking pan. No lifting, no tearing. That’s probably what happened more than the thickness.

Reply

Quinn G.

Tried swapping the provolone for sharp cheddar on batch four and the sharpness cuts through the pepperoni grease in a way the provolone never did, keeping it.

Reply

Annie Lampella

Yeah, tested both back to back after a reader mentioned it. Cheddar is punchier. Provolone melts smoother but kind of disappears into the filling where the cheddar actually holds its own against the pepperoni.

Reply

Beth

Four batches in, the biggest change was adding a teaspoon of garlic powder to the dough before pulsing. The crust goes from tasting like nothing to actually contributing flavor, especially at the edges where it crisps. I use Rao’s for the marinara and it holds up well. Making another batch this weekend.

Reply

Annie Lampella

Tried it after you mentioned it and yeah, you’re right. The difference at the edges is real. I’m adding it to the recipe notes.

Reply

Heidi

Made a lot of keto pizza doughs that came out soft and floppy, so I was skeptical. These actually held their shape, edges got crispy, and the provolone layer stayed put. First keto dough I’ve made that could fool someone.

Reply

Annie Lampella

Higher mozzarella ratio than most keto pizza doughs. That’s what holds it. The provolone layer almost got cut during testing but it added structure so it stayed.

Reply

Ryan James

I could only wish my friends would appreciate the work that went into these. Then I would try them. Maybe some time, I will just make them for me. I deserve to make the effort for me.

Reply

Annie Lampella

You do. The pizza ones are worth making even if it’s just for a Tuesday night alone.

Reply

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